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A gas chromatographic analysis method was established in the study of the conversion of acrolein to 1,3-propanediol by hydration and hydrogenation.

建立丙烯醛水合加氢制1,3-丙二醇的气相色谱定性定量分析方法。

In part Ⅰ, the aquous direct aldol reactions catalyzed by small organo-catalyst—imidazolc were studied in detailed.

本文第一部分详细研究了咪唑为有机小分了催化剂催化水相直接羟醛缩合反应。

Currently 14 existing products, according to campaign is divided into four categories: one category is phosphorus chemical series, to yellow phosphorus, phosphoric acid, sodium tripolyphosphate-based, phosphoric acid, sodium tripolyphosphate of the 50,000 tons / Year; second category is the chlor-alkali series, caustic soda, hydrochloric acid, liquid chlorine, hydrazine hydrate, polyethylene butyral mainly three types of products is manganese, manganese powder, manganese ingots, mainly Electrolytic Manganese, One Electrolytic Manganese annual production capacity of 10,000 tons, manganese ingot processing capacity 15,000 tons / year; four other products, including oxygen, acetylene, such as selenium dioxide.

目前现有产品14个,按系列分为四大类:一类是磷化工系列,以黄磷、磷酸、三聚磷酸钠为主,其中磷酸、三聚磷酸钠各5万吨/年;二类是氯碱系列,以烧碱、盐酸、液氯、水合肼、聚乙烯缩丁醛为主;三类是锰产品系列,以锰粉、锰锭、电解锰为主,其中电解锰年生产能力为1万吨,锰锭加工能力1.5万吨/年;四类是其他产品包括氧气、乙炔、二氧化硒等。

And the brains were got, post fixed, dehydrated gradiently in the alcohol, then impregnated andembedded in the celloidin, sliced into 90μm thick. The slices with the biggest dorsal hippocampus were stained by the alkali phosphatase method, then routine mounting.

对照组和实验组动物分别在给予生理盐水或KA7d后,水合氯醛麻醉,心脏灌流固定,取脑,后固定,酒精梯度脱水,火棉胶包埋,切片(厚90μm),碱性磷酸酶染色,常规封片。

Results:It was found that all of these factors had influence on the stability of chloral hydrate.

结果 :发现这些因素均影响水合氯醛的稳定性,其中以紫外线照射及碱性物质影响最大。

The purpose of the preparation of chloral hydrate suppository and its quality control methods.

目的 制备水合氯醛栓剂,并探讨其质量控制方法。

chloral hydrate suppository preparation method is simple, accurate and reliable method of quality control.

水合氯醛栓剂制备方法简单,质量控制方法准确可靠。

The results produced by chloral hydrate suppository hard and soft moderate, stable, easy to use for clinical.

结果 制备的水合氯醛栓剂软硬适中,性质稳定,能供临床方便使用。

The application, proposed hydrotalcite-like compounds as a new type of environmentally friendly solid catalysts in the aldol condensation, nitrile hydrolysis, epoxide ring-opening reaction of the oxidation of aromatic compounds, alcohols oxidation, reduction of nitro compounds, and many other important reactions in organic synthesis has an important application potential, and with little pollution compared to conventional catalysts, easy separation of advantages of high reactivity.

叙述了水滑石类化合物作为固体酸碱催化剂、氧化还原反应催化剂、催化剂载体等方面的应用情况,提出了水滑石类化合物作为一类新型的环境友好的固体催化剂,在醇醛缩合、腈类水解、环氧化物的开环反应、芳烃类化合物的氧化、醇类氧化、硝基化合物的还原等许多重要的有机合成反应具有重要的应用前景,并且与传统催化剂相比具有污染小、易分离、反应活性高等优点。

Then, it was condensed with-valine methyl ester to form a chiral imine, which was reacted with allyl zinc bromide in the presence of CeCl3·7H2O to afford the corresponding chiral homoallylic amine with high optical activity.

-N-Boc-3-苯基-2-氨基丙醛与-缬氨基酸甲酯缩合生成手性亚胺,在七水合三氯化铈(CeC13·7H2O)催化以及底物的手性诱导作用下,该手性亚胺与烯丙基溴化锌经不对称加成反应合成了高光活性的单烯丙基化手性胺。

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